细丝

Gold is spun into thread .

金拉成细丝。

Instead, their test tube was filled with some "contaminant": A high molecular weight polymer they would soon identify as the first actin-binding protein, later called filamin A.

另一方面，他们的试管充满了一些“污染物”：一种他们即将鉴别的，相当于第一个肌动蛋白结蛋白的高子质量的聚物，后来被称为细丝蛋白A。